[Bug target/81325] -fcompare-debug failure on ppc64le

[jakub at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=81325

--- Comment #4 from Jakub Jelinek <jakub at gcc dot gnu.org> ---
Created attachment 42160
  --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=42160&action=edit
gcc8-pr81325.patch

Untested fix.